/**
 * @Question Sum
 * @Date 2022/12/16 12:11
 * @Solution
 */
public class Sum {
    private int a,b,c;
    public void set(int a,int b){
        this.a=a;
        this.b=b;
    }
    public int answer(){
        c=a+b;
        return c;
    }
}